Abstract. Intensely red, moisture-sensitive crystals of [(TiCl 2 )(1,3-P 2 S 8 )] 2 were obtained by the reaction of TiCl 4 and P 4 S 10 at room temperature. The crystal structure determination revealed molecules formally consisting of two units of the anion [1,3-P 2 S 8 ] 2-connected with